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参数资料
| 型号： | TS3842BCD |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | High Performance Current Mode Controller |
| 中文描述： | 高性能电流模式控制器 |
| 文件页数： | 5/20页 |
| 文件大小： | 521K |
| 代理商： | TS3842BCD |
Electrical Characteristics
Note: 1. Maximum package power dissipation limits must be observed.
2. Adjust V
above the Start-Up threshold before setting to 15V.
3. Low duty cycle pulse technique are used during test to maintain junction temperature as close to ambient as possible.
T
= -20 ,T
= +85
4. This parameter is measured at the latch trip point with V
= 0V.
V Output Compensation
5. Comparator gain is defined as : Av =
V Current Sense Input
CHARACTERISTIC
SYMBOL
MIN
TYP
MAX
UNIT
OUTPUT SECTION
Output Voltage
Low State (Isink=20mA)
V
OL
-
0.1
0.4
(Isink=200mA)
-
1.6
2.2
High State (Isource=20mA)
V
OH
13
13.5
-
(Isource=200mA)
12
13.4
-
Output Voltage with UVLO Activated
V
CC
=6.0V,Isink=1.0mA
Output Voltage Rise Time (C
L
=1.0nF,T
J
=25
)
tr
-
50
150
ns
Output Voltage Fall Time (C
L
=1.0nF,T
J
=25
)
tf
-
50
150
ns
UNDERVOLTAGE LOCKOUT SECTION
Start-Up Threshold
TS3842B
14.5
16
17.5
TS3843B
7.8
8.4
9.0
Minimum Operating Voltage After Turn-On
TS3842B
8.5
10
11.5
TS3843B
7.0
7.6
8.2
PWM SECTION
Duty Cycle
Maximum
DCmax
94
96
-
Minimum
DCmin
-
-
0
TOTAL DEVICE
Power Supply Current
Start-Up, V
CC
= 14V
-
0.25
0.5
Operating (Note 2)
-
12
17
Power Supply Zener Voltage (I
CC
=25mA)
Vz
30
36
-
V
V
V
OL
(UVLO)
%
I
CC
mA
Vth
V
V
CC(min)
V
-
0.1
1.1
V
V
CC
=15V (Note 2), R
T
=10K, C
T
=3.3nF, T
A
=T
low
to T
high
(Note 3), unless otherwise noted.
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